<template>
  <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons') // echarts theme
import resize from './mixins/resize'

const animationDuration = 3000

export default {
  mixins: [resize],
  props: {
    className: {
      type: String,
      default: 'chart'
    },
    width: {
      type: String,
      default: '100%'
    },
    height: {
      type: String,
      default: '300px'
    }
  },
  data() {
    return {
      chart: null
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')

      this.chart.setOption({
         tooltip: {
                 trigger: 'axis',
                 axisPointer: {            // 坐标轴指示器，坐标轴触发有效
                     type: 'shadow'        // 默认为直线，可选为：'line' | 'shadow'
                 }
             },
             legend: {
                 data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎', '百度', '谷歌', '必应', '其他']
             },
             grid: {
                 left: '3%',
                 right: '4%',
                 bottom: '3%',
                 containLabel: true
             },
             xAxis: [
                 {
                     type: 'category',
                     data: ['周一', '周二', '周三', '周四', '周五', '周六', '周日']
                 }
             ],
             yAxis: [
                 {
                     type: 'value'
                 }
             ],
             series: [
                 {
                     name: '直接访问',
                     type: 'bar',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [320, 332, 301, 334, 390, 330, 320]
                 },
                 {
                     name: '邮件营销',
                     type: 'bar',
                     stack: '广告',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [120, 132, 101, 134, 90, 230, 210]
                 },
                 {
                     name: '联盟广告',
                     type: 'bar',
                     stack: '广告',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [220, 182, 191, 234, 290, 330, 310]
                 },
                 {
                     name: '视频广告',
                     type: 'bar',
                     stack: '广告',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [150, 232, 201, 154, 190, 330, 410]
                 },
                 {
                     name: '搜索引擎',
                     type: 'bar',
                     data: [862, 1018, 964, 1026, 1679, 1600, 1570],
                     emphasis: {
                         focus: 'series'
                     },
                     markLine: {
                         lineStyle: {
                             type: 'dashed'
                         },
                         data: [
                             [{type: 'min'}, {type: 'max'}]
                         ]
                     }
                 },
                 {
                     name: '百度',
                     type: 'bar',
                     barWidth: 5,
                     stack: '搜索引擎',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [620, 732, 701, 734, 1090, 1130, 1120]
                 },
                 {
                     name: '谷歌',
                     type: 'bar',
                     stack: '搜索引擎',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [120, 132, 101, 134, 290, 230, 220]
                 },
                 {
                     name: '必应',
                     type: 'bar',
                     stack: '搜索引擎',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [60, 72, 71, 74, 190, 130, 110]
                 },
                 {
                     name: '其他',
                     type: 'bar',
                     stack: '搜索引擎',
                     emphasis: {
                         focus: 'series'
                     },
                     data: [62, 82, 91, 84, 109, 110, 120]
                 }
             ]
      })
    }
  }
}
</script>
